Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Olympia Chimney Chimney Cap Installation: The Westchester County Owner’s Guide
We stock and install Olympia Chimney-compatible caps across Westchester County, and most replacements run between $425 and $780 installed, depending on flue size and roof access. We carry the common sizes on the truck, so a straightforward swap often happens the same day we’re out there. What usually brings people to this page is a cap that’s rusted through at the seam, blown off in a nor’easter, or so caked with soot the draft has gone sluggish all winter. You notice it when the fireplace starts smoking back into the room, or when you spot what looks like a mangled piece of metal on the lawn after a storm.
A chimney cap isn’t decoration. It’s the difference between a flue that breathes and one that turns into a raccoon condominium, a leaf trap, or a water inlet that quietly rots your mortar from the inside out. Olympia Chimney makes a solid cap, but nothing lasts forever on a Westchester rooftop. Salt air from the Sound, freeze-thaw cycles, and plain old New York weather take their toll.
Which Olympia Chimney Models This Applies To
Olympia Chimney caps are designed to work with their liner systems, and the critical number is the flue tile size, not the brand on the box. The caps we install most often in Westchester County fit standard square, rectangular, and round flues ranging from 6 to 13 inches. If you have an Olympia Chimney stainless steel liner, the cap will typically be a round top-mount model with a built-in spark arrestor. If you have a masonry chimney with a clay tile, you’re likely looking at a square or rectangular cap with a slip-in or surface-mount leg design.
Here’s the compatibility gotcha most people don’t know: the cap’s inside dimension has to be about a half-inch larger than the outside dimension of your flue tile, or it won’t seat properly. If it’s too tight, the wind will rattle it like a snare drum. Too loose, and the first good gust sends it into the neighbor’s azaleas. We measure before quoting, every time.
We’re an independent service company, not a division of Olympia Chimney, so we stock both OEM Olympia caps and quality aftermarket equivalents that match the same specs. For most homeowners, the aftermarket stainless option does the same job for roughly 18 to 22 percent less. The OEM makes sense if you have a newer Olympia liner system still under warranty and you want zero questions about compatibility. If the liner is 10-plus years old, the warranty ship has sailed, and a properly spec’d aftermarket cap is usually the honest call. Wendell Pike will tell you straight which way he’d go on his own chimney, and he’s been doing this since 1999.
Signs Your Olympia Chimney Chimney Cap Installation Is Failing
- Water stains on the ceiling near the chimney. A cap with rusted seams or missing fasteners lets rain run straight down the flue. In Westchester County, where March and April can bring three inches of rain a week, this shows up fast as a brown stain or peeling paint on the ceiling nearest the chase.
- Birds, squirrels, or the sound of scratching at dawn. A cap with a broken or missing spark arrestor screen is an open door for starlings, sparrows, and the occasional squirrel. They bring nesting material, which is a chimney fire waiting to happen. We’ve pulled out nests that filled half the flue.
- The fireplace smokes back into the room. A cap clogged with creosote or blocked by a nest restricts the draft. The smoke takes the path of least resistance, and that’s your living room. If you’re noticing soot on the mantel or a smell that lingers after the fire, the cap is often the first thing we check.
- Visible rust, gaps, or missing hardware from the ground. Get out on the lawn with a pair of binoculars. Look at the cap’s seams and where it meets the flue. If you see rust blooms, daylight through the side, or hardware that’s gone missing, the cap has entered its final season.
- Debris inside the firebox when you haven’t burned in months. Leaves, twigs, and chunks of crumbled mortar in the firebox are the calling card of a failed cap. The cap is the only thing standing between your flue and whatever the wind delivers.
Replacement Cost & What’s Included
In Westchester County, an Olympia Chimney-style chimney cap replacement installed typically runs $425 to $780. The spread comes down to three things: the flue size, the roof pitch and access, and whether we need a standard stainless cap or a custom-sized one for an unusual flue.
Here’s how that number breaks down:
| Line Item | Typical Range | What It Includes |
|---|---|---|
| Cap (stainless steel, 6″ to 13″ flue) | $95 to $235 | OEM or equivalent, with spark arrestor screen |
| Labor & installation | $180 to $310 | Removal of old cap, flue measurement, proper seating, fastener check |
| Roof access / pitch adjustment | $50 to $150 | Steep or difficult roof lines, second-story access |
| Flue inspection (camera, included) | $0 | We won’t put a new cap on a flue we haven’t looked at |
Every cap we install is backed by the 90-Day Done Right Promise, in writing. If it’s not seated right, if it rattles, if it leaks, one call brings Wendell and his crew back at no additional cost. The number you hear on the phone is the number on the invoice. No trip charge inside the county, and seniors and veterans always get 10 percent off.
DIY or Call Us?
There’s an honest split here. If you’re comfortable on a ladder and just want to confirm which cap you currently have, grab a pair of binoculars and look for the manufacturer stamp on the cap’s side or top. Check for rust at the seams and whether the spark arrestor mesh is intact. That’s useful information to have when you call, and it costs you nothing but five minutes.
What gets people into trouble is the actual replacement. A chimney cap install means working at roof height, often on a wet or frosty surface, sometimes on a pitch that makes your knees argue. In Westchester County, our winters coat roofs with ice well into March, and a fall off a second-story eave isn’t worth the few hundred dollars you might save. Wendell and his crew have the right ladders, the right fasteners, and about two decades of experience setting caps that stay put through nor’easters. If it doesn’t need doing, he’ll tell you that too. If it does, call (914) 537-6479 and get a straight answer before any tool comes off the truck.
FAQs
A stainless steel cap in Westchester County typically lasts 12 to 18 years, though coastal exposure near the Sound can knock a few years off that. Galvanized caps fail faster, often rusting through in 6 to 9 years. We recommend stainless for any home within five miles of Long Island Sound. Call (914) 537-6479 for an exact quote and we’ll tell you what material makes sense for your location.
Generally, no. Once the seams start rusting through or the screen tears, the metal is compromised. Patching a rusted cap with sealant is a temporary bandage that usually fails within a season. The honest fix is replacement, and at $425 to $780 installed, it’s cheaper than the water damage a failed cap can cause. Call (914) 537-6479 and we’ll give you a straight answer on whether yours can wait or needs to go now.
A standard chimney cap swap takes 45 to 90 minutes from ladder up to ladder down, assuming the flue is in reasonable shape. If we find significant spalling or a deteriorated crown while we’re up there, we’ll show you the camera footage before recommending anything else. The estimate is free, and there’s no trip charge inside the county.
We stock common Olympia Chimney-compatible sizes on the truck, from 6-inch round to 13-inch square, including aftermarket stainless equivalents. Custom sizes for unusual flues typically take 3 to 5 business days to arrive. Call (914) 537-6479 with your flue measurement if you have it, and we’ll tell you right away whether we can do it today or need to order.
Why Top Hat Chimney
Top Hat Chimney has been working the rooftops of Westchester County since 1999. Wendell Pike built this company on a simple idea: show up on time, tell people exactly what we find, and don’t recommend work that isn’t needed. We stock parts from Olympia Chimney, DuraFlex, HeatShield, and Gelco, and we stand behind every installation with the 90-Day Done Right Promise in writing. A live person answers the phone around the clock, and it may well be Wendell himself. The price we quote is the price you pay, and if the cap isn’t right, one call brings us back.
If your Olympia Chimney cap is failing, call (914) 537-6479 for a free estimate. We’ll give you an honest answer, a fair price, and a cap that stays put. Ask anyone on your street.
Written by Wendell Pike, Owner, Top Hat Chimney at Top Hat Chimney, serving Westchester County and nearby areas.





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